Revert of Server push cancellation: add a finch trial parameter

Revert of Server push cancellation: add a finch trial parameter (patchset #14 id:280001 of https://codereview.chromium.org/2692813002/ )

Reason for revert:
Broke MSAN https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Trusty%20MSAN/builds/698

Is enable_server_push_cancellation initialized?

Original issue's description:
> Server push cancellation: add a finch trial parameter
> "enable_server_push_cancellation" to control the feature of server push
> cancellation. Create a HttpCacheLookupManager in HttpCache's constructor
> and set it to HttpNetworkSession which will set it thru reaching
> QuicChromiumClientSession and SpdySession.
> 
> BUG=232040
> 
> Review-Url: https://codereview.chromium.org/2692813002
> Cr-Commit-Position: refs/heads/master@{#454457}
> Committed: https://chromium.googlesource.com/chromium/src/+/c83d602cac3c9a7a7ef554d172b7a8cd805f13e8

TBR=rch@chromium.org,ckrasic@chromium.org,zhongyi@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=232040
Review-Url: https://codereview.chromium.org/2730053002
Cr-Commit-Position: refs/heads/master@{#454554}
Committed: https://chromium.googlesource.com/chromium/src/+/cfb060c669c937702a4ede2d59ae71ae48aafdc3

[alph, 2017-03-03 10:03:50]

The CQ bit was checked by alph@chromium.org

[alph, 2017-03-03 10:03:50]

Created Revert of Server push cancellation: add a finch trial parameter

[commit-bot: I haz the power, 2017-03-03 10:04:00]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-03 10:04:59]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488535430035480, "parent_rev":
"dcdc81fcde2b5b40f42023a5bdb46e6c7c6b08ec", "commit_rev":
"cfb060c669c937702a4ede2d59ae71ae48aafdc3"}

[commit-bot: I haz the power, 2017-03-03 10:05:38]

Description was changed from

==========
Revert of Server push cancellation: add a finch trial parameter (patchset #14
id:280001 of https://codereview.chromium.org/2692813002/ )

Reason for revert:
Broke MSAN
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Trusty...

Is enable_server_push_cancellation initialized?

Original issue's description:
> Server push cancellation: add a finch trial parameter
> "enable_server_push_cancellation" to control the feature of server push
> cancellation. Create a HttpCacheLookupManager in HttpCache's constructor
> and set it to HttpNetworkSession which will set it thru reaching
> QuicChromiumClientSession and SpdySession.
> 
> BUG=232040
> 
> Review-Url: https://codereview.chromium.org/2692813002
> Cr-Commit-Position: refs/heads/master@{#454457}
> Committed:
https://chromium.googlesource.com/chromium/src/+/c83d602cac3c9a7a7ef554d172b7...

TBR=rch@chromium.org,ckrasic@chromium.org,zhongyi@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=232040
==========

to

==========
Revert of Server push cancellation: add a finch trial parameter (patchset #14
id:280001 of https://codereview.chromium.org/2692813002/ )

Reason for revert:
Broke MSAN
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Trusty...

Is enable_server_push_cancellation initialized?

Original issue's description:
> Server push cancellation: add a finch trial parameter
> "enable_server_push_cancellation" to control the feature of server push
> cancellation. Create a HttpCacheLookupManager in HttpCache's constructor
> and set it to HttpNetworkSession which will set it thru reaching
> QuicChromiumClientSession and SpdySession.
> 
> BUG=232040
> 
> Review-Url: https://codereview.chromium.org/2692813002
> Cr-Commit-Position: refs/heads/master@{#454457}
> Committed:
https://chromium.googlesource.com/chromium/src/+/c83d602cac3c9a7a7ef554d172b7...

TBR=rch@chromium.org,ckrasic@chromium.org,zhongyi@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=232040

Review-Url: https://codereview.chromium.org/2730053002
Cr-Commit-Position: refs/heads/master@{#454554}
Committed:
https://chromium.googlesource.com/chromium/src/+/cfb060c669c937702a4ede2d59ae...
==========

[commit-bot: I haz the power, 2017-03-03 10:05:39]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/cfb060c669c937702a4ede2d59ae...

[Zhongyi Shi, 2017-03-03 19:34:59]

lgtm

Is MSAN
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Trusty...
on tryserver?

I wonder why tryserver didn't catch this. I should explicitly initialize the
var, which got missed when moving the var around. Thanks for helping revert the
cl.